677943721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{443}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 852139008

約数和(自身を除く): 174195287

約数列:

[1, 7, 13, 67, 91, 251, 443, 469, 871, 1757, 3101, 3263, 5759, 6097, 16817, 22841, 29681, 40313, 111193, 117719, 207767, 218621, 385853, 778351, 1445509, 1530347, 2700971, 7449931, 10118563, 52149517, 96849103, 677943721]

約数ペア:

[(1, 677943721), (7, 96849103), (13, 52149517), (67, 10118563), (91, 7449931), (251, 2700971), (443, 1530347), (469, 1445509), (871, 778351), (1757, 385853), (3101, 218621), (3263, 207767), (5759, 117719), (6097, 111193), (16817, 40313), (22841, 29681)]